564.4.2. The amount referred to in section 564.4.1 is equal to the aggregate of the parent’s income for the particular year from the business contemplated in the said section and, where properties were sold, leased, rented or developed, or services were rendered in the course of carrying on that business before the time contemplated in the said section, from any other business substantially all the income of which was derived from the sale, leasing, rental or development, as the case may be, of similar properties or from the rendering of similar services.
1984, c. 15, s. 123; 1985, c. 25, s. 101; 1986, c. 19, s. 124; 1989, c. 77, s. 65; 1997, c. 3, s. 71.